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refactor: introduce MediatR configuration parameter to AddCqrs #333

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Oct 7, 2025
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refactor: introduce MediatR configuration parameter to AddCqrs #333

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24 changes: 22 additions & 2 deletions src/Cnblogs.Architecture.Ddd.Cqrs.DependencyInjection/ServiceCollectionInjector.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
using System.Reflection;
using System.Reflection;
using Cnblogs.Architecture.Ddd.Cqrs.Abstractions;
using Cnblogs.Architecture.Ddd.Cqrs.DependencyInjection;
using MediatR;
Expand All @@ -18,6 +18,21 @@ public static class ServiceCollectionInjector
/// <param name="assemblies">命令/查询所在的程序集。</param>
/// <returns></returns>
public static CqrsInjector AddCqrs(this IServiceCollection services, params Assembly[] assemblies)
{
return services.AddCqrs(null, assemblies);
}

/// <summary>
/// 添加 Cqrs 支持。
/// </summary>
/// <param name="services"><see cref="IServiceCollection" />。</param>
/// <param name="configuration">The action used to configure the MediatRServiceConfiguration.</param>
/// <param name="assemblies">命令/查询所在的程序集。</param>
/// <returns></returns>
public static CqrsInjector AddCqrs(
this IServiceCollection services,
Action<MediatRServiceConfiguration>? configuration,
params Assembly[] assemblies)
{
services.AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidationBehavior<,>));
services.AddTransient(typeof(IPipelineBehavior<,>), typeof(LoggingBehavior<,>));
Expand All @@ -27,7 +42,12 @@ public static CqrsInjector AddCqrs(this IServiceCollection services, params Asse
assemblies = [typeof(CqrsInjector).Assembly];
}

services.AddMediatR(cfg => cfg.RegisterServicesFromAssemblies(assemblies));
services.AddMediatR(cfg =>
{
cfg.RegisterServicesFromAssemblies(assemblies);
configuration?.Invoke(cfg);
});

return new CqrsInjector(services);
}
}
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